From 1679de5e5968bdeffd63793bed55048088216c18 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sun, 31 Mar 2019 10:50:43 +0200
Subject: [PATCH] Detect 32bit environment on 64bit ARM hardware

for #2056, using same approach as #2058
---
 cmake/system_check.cmake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmake/system_check.cmake b/cmake/system_check.cmake
index f30a946b4..94d3ba643 100644
--- a/cmake/system_check.cmake
+++ b/cmake/system_check.cmake
@@ -49,7 +49,11 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*|amd64.*|AMD64.*")
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
   set(ARM 1)
 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
-  set(ARM64 1)
+  if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
+    set(ARM64 1)
+  else()
+    set(ARM 1)
+  endif()
 endif()
 
 if (X86_64)